Fig. 2: Catalytic methanolysis of PC under mild conditions.

a Effect of the anions and cations of ionic liquids on PC methanolysis. Condition: catalyst (0.25 mmol), PC (0.5 g), MeOH (2 mL), 100 °C, 2 h. b The effect of temperature on PC methanolysis. Condition: [TBDH]Ac (0.25 mmol), PC (0.5 g), MeOH (2 mL), 4 h. c Evaluation of the stability of [TBDH]Ac in PC methanolysis. Condition: catalyst (0.25 mmol), PC (0.5 g), MeOH (2 mL), 100 °C, 1.5 h.